75149998207 has 2 divisors, whose sum is σ = 75149998208. Its totient is φ = 75149998206.

The previous prime is 75149998181. The next prime is 75149998277. The reversal of 75149998207 is 70289994157.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75149998207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75149998277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37574999103 + 37574999104.

It is an arithmetic number, because the mean of its divisors is an integer number (37574999104).

Almost surely, 2^75149998207 is an apocalyptic number.

75149998207 is a deficient number, since it is larger than the sum of its proper divisors (1).

75149998207 is an equidigital number, since it uses as much as digits as its factorization.

75149998207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 75149998207 in words is "seventy-five billion, one hundred forty-nine million, nine hundred ninety-eight thousand, two hundred seven".